15165632131002 has 128 divisors (see below), whose sum is σ = 35897458590720. Its totient is φ = 4729374305280.

The previous prime is 15165632130977. The next prime is 15165632131021. The reversal of 15165632131002 is 20013123656151.

15165632131002 is a `hidden beast` number, since 1 + 5 + 1 + 6 + 5 + 632 + 1 + 3 + 10 + 0 + 2 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1483476463 + ... + 1483486685.

It is an arithmetic number, because the mean of its divisors is an integer number (280448895240).

Almost surely, 2^{15165632131002} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 15165632131002, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17948729295360).

15165632131002 is an abundant number, since it is smaller than the sum of its proper divisors (20731826459718).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

15165632131002 is a wasteful number, since it uses less digits than its factorization.

15165632131002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19765 (or 19759 counting only the distinct ones).

The product of its (nonzero) digits is 32400, while the sum is 36.

Adding to 15165632131002 its reverse (20013123656151), we get a palindrome (35178755787153).

The spelling of 15165632131002 in words is "fifteen trillion, one hundred sixty-five billion, six hundred thirty-two million, one hundred thirty-one thousand, two".